The following computer-generated description may contain errors and does not represent the quality of the book:Blighfeldt H.F. On the Fanotions Representing Distances and Analogous Functions 331 CuBTiss, D.R. On the Invariants of a Homogeneous Quadratic Differential Equation of the Second Order 366 EiSENHABT L.P. Isothermal-Conjugate Systems of Lines on Surfaces. 213 Surfaces of Constant Mean Curvature 383 Surfaces whose Lines of Curvature in One System are Represented On the Sphere by Great Circles, 349 Epsteen, Saul. Untersuchungen tiber lineare Differentialgleichungen 4. Ordnung und die zugehorigen Gruppen, 123 Ferry, Frederice: C.Geometry on the Cuspidal Cubic Cone,. 269 James, G.O. Some Differential Equations Connected with Hypersurfaces. 249 Easner, Edward. The Double-Six Configuration Connected with the Cubic Surface, and a Related Group of Cremona Transformations, 107 Keyser, C.J. The Plane Geometry of the Point in Point Space of Four Dimensions, 301 Lehmeb, Derrick N.The Parametric Representation of the Tetrahedroid Surface,. 1 Roe, E.D., Jr. Note on Symmetric Functions, 97 Ross, F.E. On Differential Equations Belonging to a Ternary Linearoid Group,.